I was a Perl 5 magi and carried the O'Reilly book in hand for a few months. The impression has meant that every regex in 20 years was effortless, though Perl lo

I was a Perl 5 magi and carried the O'Reilly book in hand for a few months. The impression has meant that every regex in 20 years was effortless, though Perl long forgotten. Perl 5 regex familiarity seems like it futureproofed. Now I suppose I mostly use JS or Vim which is such a subset.